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A075066 as a simple table

na(n)
19
24
315
46
521
68
725
810
927
1012
1133
1214
1335
1416
1539
1618
1745
1820
1949
2022
2151
2224
2355
2426
2557
2628
2763
2830
2965
3032
3169
3234
3375
3436
3577
3638
3781
3840
3985
4042
4187
4244
4391
4446
4593
4648
4795
4850
4999

[9,4,15,6,21,8,25,10,27,12,33,14,35,16,39,18,45,
 20,49,22,51,24,55,26,57,28,63,30,65,32,69,34,75,
 36,77,38,81,40,85,42,87,44,91,46,93,48,95,50,99]